Link transmission method and apparatus, information configuration method and apparatus, and communication device

Abstract

This application discloses a link transmission method and apparatus, an information configuration method and apparatus, and a communication device. The link transmission method in embodiments of this application includes: A first device determines a transmission mode of a link between the first device and a second device, where the link between the first device and the second device includes at least one first link, and the first link is a low power communication link; and performs transmission on the link determined based on the transmission mode.

1 . A link transmission method, comprising:
 determining, by a first device, a transmission mode of a link between the first device and a second device, wherein the link between the first device and the second device comprises at least one first link, and the first link is a low power communication link; and   performing, by the first device, transmission on the link determined based on the transmission mode.   
     
     
         2 . The method according to  claim 1 , wherein the link between the first device and the second device further comprises at least one second link, the second link is a communication link having a carrier generation capability, and average power consumption of the second link is higher than average power consumption of the first link, or peak power consumption of the second link is higher than peak power consumption of the first link. 
     
     
         3 . The method according to  claim 1 , wherein the determining, by a first device, a transmission mode of a link between the first device and a second device comprises at least one of the following:
 determining, by the first device, the transmission mode of the link between the first device and the second device based on a first parameter, wherein the first parameter is a transmission-related parameter between the first device and the second device;   receiving, by the first device, first signaling sent by a third device, and determining the transmission mode of the link between the first device and the second device based on the first signaling; or   receiving, by the first device, first indication information sent by the second device, and determining the transmission mode of the link between the first device and the second device based on the first indication information;   wherein the first parameter comprises at least one of the following:   a service type between the first device and the second device;   a size of a service packet between the first device and the second device;   a bandwidth requirement of a service between the first device and the second device;   a delay requirement of the service between the first device and the second device;   a delay jitter requirement between the first device and the second device;   a signal quality parameter of the link between the first device and the second device;   a system parameter of the link between the first device and the second device; or   a power consumption parameter of the link between the first device and the second device.   
     
     
         4 . The method according to  claim 1 , wherein the transmission mode comprises any one of the following:
 a low power consumption mode; or   a performance mode.   
     
     
         5 . The method according to  claim 4 , wherein the low power consumption mode comprises at least one of the following:
 a first aggregated transmission mode, wherein the first aggregated transmission mode meets at least one of the following: at least two first links are enabled, and the at least two first links communicate different data packets; a plurality of first links are enabled, and data on the plurality of first links is traffic-split at a protocol layer; a plurality of first links are enabled, and data packets sent by subflows corresponding to the plurality of first links each have at least one sequence number, used for data reassembly and/or sorting; or a plurality of first links are enabled, and the plurality of first links are communicated in parallel;   a first redundant transmission mode, wherein the first redundant transmission mode meets at least one of the following: at least two first links are enabled, and the at least two first links communicate a same data packet; a plurality of first links are enabled, and data on the plurality of first links is traffic-split at a protocol layer; a plurality of first links are enabled, and data packets sent by subflows corresponding to the plurality of first links each have at least one sequence number, used for data reassembly and/or sorting; or a plurality of first links are enabled, and the plurality of first links are communicated in parallel; or   a first optimal link transmission mode, wherein the first optimal link transmission mode meets the following: only one first link is enabled at the same time;   wherein the first link enabled in the first optimal link transmission mode meets at least one of the following:   a round trip time of the first link is minimum;   an available bandwidth of the first link is maximum;   link quality of the first link is best;   power consumption of the first link is lowest; or   a packet loss rate of the first link is lowest.   
     
     
         6 . The method according to  claim 4 , wherein the performance mode comprises at least one of the following:
 a second aggregated transmission mode, wherein the second aggregated transmission mode meets at least one of the following: the first link and the second link communicate different data packets; data on the first link and data on the second link are traffic-split at a protocol layer; data packets sent by subflows corresponding to the first link and the second link each have at least one sequence number, used for data reassembly and/or sorting; or the first link and the second link are communicated in parallel;   a second redundant transmission mode, wherein the second redundant transmission mode meets at least one of the following: the first link and the second link communicate a same data packet; data on the first link and data on the second link are traffic-split at a protocol layer; data packets sent by subflows corresponding to the first link and the second link each have at least one sequence number, used for data reassembly and/or sorting; or the first link and the second link are communicated in parallel;   a second optimal link transmission mode, wherein the second optimal link transmission mode meets at least one of the following: at least one first link and one second link are enabled at the same time; data on the first link and data on the second link are traffic-split at a protocol layer; data packets sent by subflows corresponding to the first link and the second link each have at least one sequence number, used for at least one of the following: data reassembly, data sorting, or data combination; or the first link and the second link are communicated in parallel; or   a serial transmission mode, wherein the serial transmission mode meets at least one of the following: the first link and the second link are communicated in series, wherein   the second link is a communication link having a carrier generation capability;   wherein the second link enabled in the second optimal link transmission mode meets at least one of the following:   a round trip time of the second link is minimum;   a bandwidth of the second link is maximum;   link quality of the second link is best;   power consumption of the second link is lowest; or   a packet loss rate of the second link is lowest;   and/or   in the serial transmission mode, the first link is used to wake up or enable one or more second links; and/or the first link is used to communicate signaling or data, and the second link is used to communicate data.   
     
     
         7 . The method according to  claim 5 , wherein the protocol layer comprises at least one of the following:
 an application layer, a transport layer, a network layer, an access traffic steering, switching, and splitting-lower layer (ATSSS-LL) layer, a non-access stratum (NAS), a radio resource control (RRC) layer, a service data adaptation protocol (SDAP) layer, a packet data convergence protocol (PDCP) layer, a radio link control (RLC) layer, or a media access control (MAC) layer.   
     
     
         8 . The method according to  claim 3 , wherein the determining, by the first device, the transmission mode of the link between the first device and the second device based on a first parameter comprises any one of the following:
 determining, by the first device, that the transmission mode is a low power consumption mode in a case that the first device meets a first condition, wherein the first condition comprises at least one of the following: a battery capacity of the first device and/or a battery capacity of the second device are/is less than a first threshold, the first device and/or the second device are/is overheated, a time in which the first device does not receive signaling for maintaining a performance mode exceeds a preset time length, a time in which the first device does not receive data or scheduling signaling in the performance mode exceeds the preset time length, or a size of a data packet that needs to be sent by the first device is less than a second threshold; or   determining, by the first device, that the transmission mode is a performance mode in a case that the first device meets a second condition, wherein the second condition comprises at least one of the following: a size of a data packet that needs to be sent by the first device is greater than a third threshold, a quantity of times that a communication interruption occurs in the first device in a low power consumption mode exceeds a fourth threshold, a packet error rate of the first device in the low power consumption mode exceeds a fifth threshold, an out-of-synchronization state occurs in the first device in the low power consumption mode, or the first device is located in a preset weak communication coverage area.   
     
     
         9 . The method according to  claim 8 , wherein after determining that the transmission mode is the low power consumption mode, the determining the transmission mode of the link between the first device and the second device based on a first parameter further comprises any one of the following:
 determining, by the first device, that the transmission mode is a first aggregated transmission mode in the low power consumption mode in a case that the first device meets a third condition, wherein the third condition comprises at least one of the following: a bandwidth required by a to-be-sent service of the first device is greater than a sixth threshold, a bandwidth required by a service corresponding to a service type between the first device and the second device is greater than a seventh threshold, or a transmission rate between the first device and the second device is lower than an eighth threshold;   determining, by the first device, that the transmission mode is a first redundant transmission mode in the performance mode in a case that the first device meets a fourth condition, wherein the fourth condition comprises at least one of the following: a signal quality parameter of the link between the first device and the second device is less than a ninth threshold, a packet loss rate, a frame error rate, or a bit error rate of a service between the first device and the second device is greater than a tenth threshold, or reliability of the service between the first device and the second device is lower than an eleventh threshold; or   determining, by the first device, that the transmission mode is a first optimal link transmission mode in the performance mode in a case that the first device meets a fifth condition, wherein the fifth condition comprises at least one of the following: a delay of a to-be-sent service of the first device is less than a twelfth threshold, a delay jitter of the to-be-sent service of the first device is less than a thirteenth threshold, or a round trip time of the to-be-sent service of the first device is less than a fourteenth threshold;   or,   wherein after determining that the transmission mode is the performance mode, the determining the transmission mode of the link between the first device and the second device based on a first parameter further comprises any one of the following:   determining, by the first device, that the transmission mode is a second aggregated transmission mode in the performance mode in a case that the first device meets a sixth condition, wherein the sixth condition comprises at least one of the following: a bandwidth required by a to-be-sent service of the first device is greater than a fifteenth threshold, a bandwidth required by a service corresponding to a service type between the first device and the second device is greater than a sixteenth threshold, or a transmission rate between the first device and the second device is lower than a seventeenth threshold;   determining, by the first device, that the transmission mode is a second redundant transmission mode in the performance mode in a case that the first device meets a seventh condition, wherein the seventh condition comprises at least one of the following: a signal quality parameter of the link between the first device and the second device is less than an eighteenth threshold, a packet loss rate, a frame error rate, or a bit error rate of a service between the first device and the second device is greater than a nineteenth threshold, or reliability of the service between the first device and the second device is lower than a twentieth threshold; or   determining, by the first device, that the transmission mode is a second optimal link transmission mode in the performance mode in a case that the first device meets an eighth condition, wherein the eighth condition comprises at least one of the following: a delay of a to-be-sent service of the first device is less than a twenty-first threshold, a delay jitter of the to-be-sent service of the first device is less than a twenty-second threshold, or a round trip time of the to-be-sent service of the first device is less than a twenty-third threshold.   
     
     
         10 . An information configuration method, comprising:
 sending, by a third device, first signaling to a first device and/or a second device, wherein   the first signaling is used to determine a transmission mode of a link between the first device and the second device, and perform transmission on the link determined based on the transmission mode; and the link between the first device and the second device comprises at least one first link, and the first link is a low power communication link.   
     
     
         11 . The method according to  claim 10 , wherein the link between the first device and the second device further comprises at least one second link, the second link is a communication link having a carrier generation capability, and average power consumption of the second link is higher than average power consumption of the first link, or peak power consumption of the second link is higher than peak power consumption of the first link. 
     
     
         12 . The method according to  claim 10 , wherein the method further comprises:
 determining, by the third device, the transmission mode of the link between the first device and the second device based on a first parameter, wherein the first parameter is a transmission-related parameter between the first device and the second device;   wherein the first parameter comprises at least one of the following:   a service type between the first device and the second device;   a size of a service packet between the first device and the second device;   a bandwidth requirement of a service between the first device and the second device;   a delay requirement of the service between the first device and the second device;   a delay jitter requirement between the first device and the second device;   a signal quality parameter of the link between the first device and the second device;   a system parameter of the link between the first device and the second device; or   a power consumption parameter of the link between the first device and the second device.   
     
     
         13 . The method according to  claim 10 , wherein the transmission mode comprises any one of the following:
 a low power consumption mode; or   a performance mode.   
     
     
         14 . The method according to  claim 13 , wherein the low power consumption mode comprises at least one of the following:
 a first aggregated transmission mode, wherein the first aggregated transmission mode meets at least one of the following: at least two first links are enabled, and the at least two first links communicate different data packets; a plurality of first links are enabled, and data on the plurality of first links is traffic-split at a protocol layer; a plurality of first links are enabled, and data packets sent by subflows corresponding to the plurality of first links each have at least one sequence number, used for data reassembly and/or sorting; or a plurality of first links are enabled, and the plurality of first links are communicated in parallel;   a first redundant transmission mode, wherein the first redundant transmission mode meets at least one of the following: at least two first links are enabled, and the at least two first links communicate a same data packet; a plurality of first links are enabled, and data on the plurality of first links is traffic-split at a protocol layer; a plurality of first links are enabled, and data packets sent by subflows corresponding to the plurality of first links each have at least one sequence number, used for data reassembly and/or sorting; or a plurality of first links are enabled, and the plurality of first links are communicated in parallel; or   a first optimal link transmission mode, wherein the first optimal link transmission mode meets the following: only one first link is enabled at the same time;   wherein the first link enabled in the first optimal link transmission mode meets at least one of the following:   a round trip time of the first link is minimum;   a bandwidth of the first link is maximum;   link quality of the first link is best;   power consumption of the first link is lowest; or   a packet loss rate of the first link is lowest.   
     
     
         15 . The method according to  claim 13 , wherein the performance mode comprises at least one of the following:
 a second aggregated transmission mode, wherein the second aggregated transmission mode meets at least one of the following: the first link and the second link communicate different data packets; data on the first link and data on the second link are traffic-split at a protocol layer; data packets sent by subflows corresponding to the first link and the second link each have at least one sequence number, used for data reassembly and/or sorting; or the first link and the second link are communicated in parallel;   a second redundant transmission mode, wherein the second redundant transmission mode meets at least one of the following: the first link and the second link communicate a same data packet; data on the first link and data on the second link are traffic-split at a protocol layer; data packets sent by subflows corresponding to the first link and the second link each have at least one sequence number, used for data reassembly and/or sorting; or the first link and the second link are communicated in parallel;   a second optimal link transmission mode, wherein the second optimal link transmission mode meets at least one of the following: at least one first link and one second link are enabled at the same time; data on the first link and data on the second link are traffic-split at a protocol layer; data packets sent by subflows corresponding to the first link and the second link each have at least one sequence number, used for at least one of the following: data reassembly, data sorting, or data combination; or the first link and the second link are communicated in parallel; or   a serial transmission mode, wherein the serial transmission mode meets at least one of the following: the first link and the second link are communicated in series, wherein   the second link is a communication link having a carrier generation capability;   wherein the second link enabled in the second optimal link transmission mode meets at least one of the following:   a round trip time of the second link is minimum;   a bandwidth of the second link is maximum;   link quality of the second link is best;   power consumption of the second link is lowest; or   a packet loss rate of the second link is lowest;   and/or   in the serial transmission mode, the first link is used to wake up or enable one or more second links; and/or the first link is used to communicate signaling or data, and the second link is used to communicated data.   
     
     
         16 . The method according to  claim 14 , wherein the protocol layer comprises at least one of the following:
 an application layer, a transport layer, a network layer, an access traffic steering, switching, and splitting-lower layer (ATSSS-LL) layer, a non-access stratum (NAS), a radio resource control (RRC) layer, a service data adaptation protocol (SDAP), a packet data convergence protocol (PDCP), a radio link control (RLC) layer, or a media access control (MAC) layer.   
     
     
         17 . The method according to  claim 12 , wherein the determining, by the third device, the transmission mode of the link between the first device and the second device based on a first parameter comprises any one of the following:
 determining, by the third device, that the transmission mode is a low power consumption mode in a case that the third device meets a first condition, wherein the first condition comprises at least one of the following: a battery capacity of the first device and/or a battery capacity of the second device are/is less than a first threshold, the first device and/or the second device are/is overheated, a time in which the first device does not receive signaling for maintaining a performance mode exceeds a preset time length, a time in which the first device does not receive data or scheduling signaling in the performance mode exceeds the preset time length, or a size of a data packet that needs to be sent by the first device is less than a second threshold; or   determining, by the third device, that the transmission mode is a performance mode in a case that the third device meets a second condition, wherein the second condition comprises at least one of the following: a size of a data packet that needs to be sent by the first device is greater than a third threshold, a quantity of times that a communication interruption occurs in the first device in a low power consumption mode exceeds a fourth threshold, a packet error rate of the first device in the low power consumption mode exceeds a fifth threshold, an out-of-synchronization state occurs in the first device in the low power consumption mode, or the first device is located in a preset weak communication coverage area.   
     
     
         18 . The method according to  claim 17 , wherein after determining that the transmission mode is the low power consumption mode, the determining the transmission mode of the link between the first device and the second device based on a first parameter further comprises any one of the following:
 determining, by the third device, that the transmission mode is a first aggregated transmission mode in the low power consumption mode in a case that the third device meets a third condition, wherein the third condition comprises at least one of the following: a bandwidth required by a to-be-sent service of the first device is greater than a sixth threshold, a bandwidth required by a service corresponding to a service type between the first device and the second device is greater than a seventh threshold, or a transmission rate between the first device and the second device is lower than an eighth threshold;   determining, by the third device, that the transmission mode is a first redundant transmission mode in the performance mode in a case that the third device meets a fourth condition, wherein the fourth condition comprises at least one of the following: a signal quality parameter of the link between the first device and the second device is less than a ninth threshold, a packet loss rate, a frame error rate, or a bit error rate of a service between the first device and the second device is greater than a tenth threshold, or reliability of the service between the first device and the second device is lower than an eleventh threshold; or   determining, by the third device, that the transmission mode is a first optimal link transmission mode in the performance mode in a case that the third device meets a fifth condition, wherein the fifth condition comprises at least one of the following: a delay of a to-be-sent service of the first device is less than a twelfth threshold, a delay jitter of the to-be-sent service of the first device is less than a thirteenth threshold, or a round trip time of the to-be-sent service of the first device is less than a fourteenth threshold;   or,   wherein after determining that the transmission mode is the performance mode, the determining the transmission mode of the link between the first device and the second device based on a first parameter further comprises any one of the following:   determining, by the third device, that the transmission mode is a second aggregated transmission mode in the performance mode in a case that the third device meets a sixth condition, wherein the sixth condition comprises at least one of the following: a bandwidth required by a to-be-sent service of the first device is greater than a fifteenth threshold, a bandwidth required by a service corresponding to a service type between the first device and the second device is greater than a sixteenth threshold, or a transmission rate between the first device and the second device is lower than a seventeenth threshold;   determining, by the third device, that the transmission mode is a second redundant transmission mode in the performance mode in a case that the third device meets a seventh condition, wherein the seventh condition comprises at least one of the following: a signal quality parameter of the link between the first device and the second device is less than an eighteenth threshold, a packet loss rate, a frame error rate, or a bit error rate of a service between the first device and the second device is greater than a nineteenth threshold, or reliability of the service between the first device and the second device is lower than a twentieth threshold; or   determining, by the third device, that the transmission mode is a second optimal link transmission mode in the performance mode in a case that the third device meets an eighth condition, wherein the eighth condition comprises at least one of the following: a delay of a to-be-sent service of the first device is less than a twenty-first threshold, a delay jitter of the to-be-sent service of the first device is less than a twenty-second threshold, or a round trip time of the to-be-sent service of the first device is less than a twenty-third threshold.   
     
     
         19 . A communication device, the communication device is a first device, comprising a processor and a memory, wherein the memory stores a program or an instruction that can be run on the processor; wherein the program or the instruction, when executed by the processor, causes the first device to perform:
 determining a transmission mode of a link between the first device and a second device, wherein the link between the first device and the second device comprises at least one first link, and the first link is a low power communication link; and   performing transmission on the link determined based on the transmission mode.   
     
     
         20 . A communication device, comprising a processor and a memory, wherein the memory stores a program or an instruction that can be run on the processor, and when the program or the instruction is executed by the processor, the steps of the information configuration method according to  claim 10  are implemented.